This paper reports onaresearchofphenomenaassociated with core loss due to tooth ripple flux in smooth laminated poles for the open circuit condition in ac machines. A model for investigation of the phenomena is described, incorporating a calorimetric technique for determination of loss location. There is also described a method for evaluating losses by utililizing a mathematical model which encompasses materials characteristics of the lamination material. Loss prediction and experimental results are in excellent agreement.
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Findlay et al. (1974) studied this question.
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